NEETBotanyBiological Classification
Kingdom Fungi is divided into various classes based on the morphology of the mycelium, mode of spore formation, and fruiting bodies. Which of the following options correctly describes these three criteria for the members of class Phycomycetes?
Options
- ASeptate and branched mycelium, exogenous asexual spores, fruiting bodies absent
- BAseptate and coenocytic mycelium, exogenous asexual spores, ascocarp present
- CSeptate and branched mycelium, endogenous asexual spores, basidiocarp present
- DAseptate and coenocytic mycelium, endogenous asexual spores, fruiting bodies absent
Correct answer
D. Aseptate and coenocytic mycelium, endogenous asexual spores, fruiting bodies absent
Step-by-step solution
Kingdom Fungi is divided into classes based on mycelium morphology, mode of spore formation, and fruiting bodies. For class Phycomycetes: 1. Morphology of mycelium: It is aseptate and coenocytic. 2. Mode of spore formation: Asexual spores (zoospores or aplanospores) are produced endogenously in a sporangium. 3. Fruiting bodies: They are absent in Phycomycetes (unlike Ascomycetes which form ascocarps and Basidiomycetes which form basidiocarps). Thus, the correct description is aseptate and coenocytic mycelium, endog